body {
  position: relative;
  z-index: 0;
}

a,
button {
  color: var(--colors-black);
  transition: 0.2s ease;
  text-decoration: none;

  &:hover {
    color: var(--colors-accent);
  }

  .l-gem-z & {
    color: white;
  }
}

a {
  text-decoration: underline;
}

button,
a[role="button"] {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

hr {
  margin-top: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  border: 1px solid var(--colors-black);
}

input::-moz-focus-inner {
  border: 0;
}

.js-no-scroll {
  overflow: hidden;
}

::-webkit-input-placeholder {
  line-height: normal;
  color: #000;
  font-style: normal;
}
:-moz-placeholder {
  line-height: normal;
  /* FF 4-18 */
  color: #000;
  font-style: normal;
}
::-moz-placeholder {
  line-height: normal;
  /* FF 19+ */
  color: #000;
  font-style: normal;
}
:-ms-input-placeholder {
  line-height: normal;
  /* IE 10+ */
  color: #000;
  font-style: normal;
}

header {
  position: sticky;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;

  video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

.logo {
  display: block;
  margin: 0 auto var(--spacing-4) auto;
  color: #e1e1e1;
}

.introduction {
  margin-bottom: var(--spacing-7);
}

.introduction p {
  color: #e1e1e1;
  text-shadow: 0px 0px 14px rgba(235, 235, 235, 0.75);
  font-size: var(--font-sizes-h1) !important;
}

.introduction p + p {
  margin-top: 1rem;
}

.wrapper {
  padding: 4rem var(--gutter);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(30px);

  @media (min-width: 1000px) {
    padding: 4rem;
  }
}

.content {
  grid-column: 1 / -1;

  @media (min-width: 1000px) {
    grid-column: 3 / span 4;
  }
}

.content h2 {
  margin-top: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.content p {
  font-size: var(--font-sizes-h3);
}

.content p + p {
  margin-top: var(--spacing-1);
}

footer {
  margin-top: var(--spacing-4);
  font-family: var(--font-family-sans-serif);

  p,
  a {
    font-size: var(--font-sizes-h6);
  }
}

footer div {
  grid-column: 1 / -1;
}

.footer-logo {
  grid-column: 1 /-1;
}

.footer-logo svg {
  width: 100%;
  height: auto;
}

.colophon {
  @media (min-width: 1000px) {
    grid-column: 1 / span 2;
  }
}

.credits {
  @media (min-width: 1000px) {
    grid-column: 3 / span 2;
  }
}

.contributors {
  margin-bottom: var(--spacing-5);

  @media (min-width: 1000px) {
    margin-bottom: var(--spacing-7);
    grid-column: 6 / span 3;
  }
}

.volume-control {
  position: fixed;
  z-index: 10;
  top: var(--gutter);
  right: var(--gutter);
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: var(--font-sizes-h6);

  svg {
    path {
      fill: #e1e1e1;
    }
  }
}

.arrow-down {
  position: absolute;
  z-index: 5;
  right: var(--gutter);
  bottom: calc(2 * var(--gutter));
  color: #e1e1e1;
  animation: bounce 2s infinite;

  &:hover {
    cursor: pointer;
  }

  @media (min-width: 1000px) {
    bottom: var(--gutter);
  }
}

@keyframes bounce {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hide-s {
  @media (--large-down) {
    display: none !important;
  }
}

.hide-m {
  @media (--medium-down) {
    display: none !important;
  }
}

.hide-l {
  @media (--large) {
    display: none !important;
  }
}